WO2004094087A1 - Galet de guidage de barre - Google Patents

Galet de guidage de barre Download PDF

Info

Publication number
WO2004094087A1
WO2004094087A1 PCT/EP2004/003770 EP2004003770W WO2004094087A1 WO 2004094087 A1 WO2004094087 A1 WO 2004094087A1 EP 2004003770 W EP2004003770 W EP 2004003770W WO 2004094087 A1 WO2004094087 A1 WO 2004094087A1
Authority
WO
WIPO (PCT)
Prior art keywords
coolant
shaft
strangfuhrungsrolle
annular space
roller
Prior art date
Application number
PCT/EP2004/003770
Other languages
German (de)
English (en)
Inventor
Josef Guttenbrunner
Thomas Starrermair
Günther DEIBL
Original Assignee
Voest-Alpine Industrieanlagenbau Gmbh & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32398594&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2004094087(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voest-Alpine Industrieanlagenbau Gmbh & Co filed Critical Voest-Alpine Industrieanlagenbau Gmbh & Co
Priority to AT04726463T priority Critical patent/ATE399068T1/de
Priority to US10/552,212 priority patent/US7617862B2/en
Priority to EP04726463A priority patent/EP1615737B1/fr
Priority to PL04726463T priority patent/PL1615737T3/pl
Priority to JP2006505067A priority patent/JP2006524136A/ja
Priority to DE502004007441T priority patent/DE502004007441D1/de
Priority to BRPI0409503-0A priority patent/BRPI0409503B1/pt
Priority to UAA200511089A priority patent/UA79382C2/uk
Publication of WO2004094087A1 publication Critical patent/WO2004094087A1/fr
Priority to NO20055444A priority patent/NO20055444L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/08—Lubricating, cooling or heating rolls internally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings

Definitions

  • the invention relates to a Strangbigungsrolle for supporting and guiding of cast metal strands in a continuous casting, with a central rotatable shaft and at least one rotationally secured on this shaft supported roller shell.
  • Strand guiding rolls are used in continuous casting plants for supporting and guiding continuously cast metal strands after they exit from a mold in a strand guiding framework. They are exposed to high thermal loads, since the cast metal strands leave the mold at a temperature of over 1000 ° C, for example, if they are steel strands. For thicker strands still a pronounced liquid core is present in the strand through which act ferrostatic forces on the strand guide rollers. In addition, deformation forces from the strand bending must be supported by the strand guide rollers. Accordingly, the strand guide rollers are usually equipped with an internal cooling and have a robust design corresponding to the mechanical loads. The large strand width of the cast strands requires multiple storage of the Strangbowungsrolle and accordingly a multi-part construction.
  • One type of strand guide roller includes a fixed central axis on which one or more roller shells are rotatably supported via slide or roller bearings.
  • Such strand guide rollers are already known, for example, from DE-A 19744 077, DE-A 2745578, DE-A 38 23 655 and US-A 4,351,383. Because of the relative movement between individual components of the Strangchtungsrolle bearings are provided, which are exposed to thermal loads and therefore require protective measures.
  • Another type of strand guide roll avoids such bearings within the rollers and includes a central rotatable shaft and roller coats rotatably mounted thereon. A basic representation of such a Strangchtungsrolle can be found in DE-A 2935 217th
  • FIGS. 1a and 1b relates to a continuous guide roller with a central multi-bearing shaft and a plurality of roller shells arranged thereon.
  • Each roller shell lies with its entire inner surface on the outer surface of the shaft and is rotatably connected to it via a feather key.
  • the internal cooling of this Strangschreibungsrolle via a centrally guided in the shaft coolant line.
  • a Strangschreibungsrolle this type has the fundamental disadvantage of a wide heat transport path from the mantle surface to the coolant line. Gaps between the shaft and the roller shell act as an insulator and hinder the heat dissipation from the Strangschreibungsrolle additional.
  • a Strangwagungsrolle is further known with a multi-bearing shaft and mounted roller coats, each roller shell is arranged against rotation with a feather key on the shaft. Between the roller shell and the shaft, an annular space is provided over a portion of the longitudinal extent of the roller shell, which is filled with a material of high thermal thermal conductivity.
  • the heat dissipation from the Strangschreibungsrolle carried by internal cooling via a shaft passing through the central coolant line.
  • Object of the present invention is therefore to avoid the disadvantages of the prior art and to propose a Strangbowungsrolle that better meet the mechanical and thermal stresses occurring through the strand.
  • the support of the roller shell on the shaft should better match the loads occurring.
  • roller shell is supported on the shaft via support rings, that between the shaft and the roller shell formed by the support rings in the axial direction annular space and the annular space is formed as a coolant channel.
  • sealing rings are arranged between the support rings and the roller shell and between the support rings and the central shaft.
  • the annulus is designed as a coolant channel which is connected to a arranged in the central shaft coolant line via radial branch lines for the supply and discharge of a coolant.
  • the radial stub lines open within the longitudinal extent of the support rings in an annular groove of the support ring, which is open to the annulus via a plurality of outlet openings.
  • An advantageous embodiment is to provide distributed over the shaft cross section a plurality of radial stub lines both in a coolant supply plane and in a coolant discharge plane, so distributed over the entire circumference of the annular space distributed as even axial axial coolant flow is achieved.
  • guide devices can be installed in the annular space, which additionally even out the axial flow behavior in the annular space. Accordingly, the radial stub lines open within the longitudinal extension of the support rings in an annular groove of the support ring, which is open via a plurality of outlet openings to the annulus.
  • the roller shell is against rotation to the shaft by an anti-rotation, preferably a feather, secured against rotation and the rotation passes through the annulus.
  • an anti-rotation preferably a feather
  • sealing problems are avoided, which arise when the rotation is arranged on a support surface of the roll mantle on the shaft, as is the case with the Strangschreibungsrolle described in WO 02/38972 A1.
  • Strangwagungsrolle two a roller shell on the shaft supporting support rings are connected to a support sleeve and between the roller shell and the Stützringhülse an annular space is formed, which is limited in its axial extent of the support rings. Sealing elements and coolant channels are applied analogously to the previously described embodiment.
  • the anti-rotation device passes through the annular space and the support sleeve.
  • a possible embodiment of the coolant passage through the Strangschreibungsrolle is that the guided in the central shaft coolant line emanating from an end face of the central shaft and arranged in the central shaft coolant line opens for the coolant discharge at the opposite end face of the central shaft and each coolant line is associated with a rotary inlet.
  • An advantageous embodiment, by which the coolant supply of the strand guide rollers can be limited to a system cables, or side of the strand guide, is that the guided in the central shaft coolant lines open into an end face of the central shaft and this coolant lines is assigned a multi-speed rotary inlet ,
  • This embodiment can be used with driven and non-driven strand guide rollers.
  • cooling water As coolant usually cooling water is used.
  • FIG. 2 shows a cross section through the Strangschreibungsrolle along the line A - A in Fig. 1
  • Fig. 3 shows another embodiment of the invention Strangschreibungsrolle in a longitudinal section of a roller section.
  • FIG. 1 The figure representations show a Strangbigungsrolle invention in a schematic representation, as is suitable, for example, for use in a strand guide a continuous casting for the production of metal strands of large strand width with slab or thin slab cross-section.
  • the Strangbigungsrolle shown in Fig. 1 consists of a central shaft 1, which is rotatably supported in four bearings 2.
  • the bearings and bearing housing they are based in turn in a strand guide frame, not shown, of a continuous casting from.
  • the central shaft 1 are associated with three roller shells 3, wherein each of the three roller shells is supported on the shaft 1 via two respective support rings 4.
  • the bearings 2 are located outside the longitudinal extension of the adjacent roller shells 3. With a rotation 5, the position of each roller shell 3 to the shaft 1 is fixed against rotation.
  • Strand guide rollers of the type according to the invention have at least two, usually three roller shells.
  • the strand guide roller is equipped with internal cooling.
  • the course of thedemitlelströmung is indicated in Fig. 1 by arrows.
  • the coolant supply takes place at an end face of the Strangschreibungsrolle via a rotary inlet 10 and the coolant discharge takes place at the opposite end of the Strangschreibungsrolle by a rotary inlets 11.
  • a central coolant line 12 branching off radial stub lines 13 and an annular groove 14 in the support ring 4 with axially aligned outlet openings 19th the coolant is introduced into the annular space 6.
  • the coolant flows, distributed over the entire cross section of the annular space 6, parallel to the longitudinal axis 15 of the Strangschreibungsrolle through the annular space 6 and is collected in an annular groove 16 of the support ring 4 again and derived by radial stubs 1 in the central coolant line 18.
  • Either the coolant line 18 leads to further stub lines 13 of a further roll mantle 3 or after passing all the roll mantles 3 to the dissipative rotary inlet 11, through which the coolant leaves the Strangschreibungsrolle again.
  • a sealing element 20 is inserted between the support ring 4 and the roller casing 3 and a sealing element 21 is inserted between the roller casing 3 and the shaft 1.
  • the sealing elements are formed by sealing rings inserted in annular grooves.
  • the coolant supply and the coolant discharge through the central coolant lines can also take place on one side, on one end side of the central shaft, via a double-start rotary inlet, whereby the coolant supply is limited to one side of the strand guide and thus plant side of a continuous casting plant.
  • Fig. 2 shows in a cross section through the shaft 1 along the section line AA in Fig. 1 is an end view of the support ring 4 and illustrates the coolant guide in this area.
  • the coolant is introduced from the central coolant line 12 via the branch lines 13 in a circumferential annular groove 14 in the support ring 4 and distributed there and by a plurality of circumferentially spaced outlet openings 19, which may be formed as grooves or holes, the one shown in Fig. 1 Annulus 6 between roller shell 3 and shaft 1 fed.
  • the reverse sequence results in the discharge of the coolant from the annular space. 6
  • This type of coolant feedthrough allows low production engineering effort as uniform and efficient heat removal from the roller shell.
  • the rotation 5 to secure the position of the roll mantle 3 on the shaft 1 is formed by one or more feather keys 23 which pass through the annular space 6 and between two roller jacket 3 supporting support rings 4 are arranged. In the region of the annular space 6 there is sufficient space for a long key 23, so that circumferential forces or torques acting on the roller shell on the shaft, in particular in driven strand guide rollers, can be supported with a low surface pressure.
  • FIG. 3 A further embodiment of the strand guide roll according to the invention is shown in FIG. 3 in a longitudinal section through a section of the strand guide roll, wherein the same reference numerals are used for the same or equivalent components.
  • the roller shell 3 is supported by support rings 4 on the central shaft 1, wherein the two arranged at the edge regions of the roller shell support rings 4 are connected by a sleeve 25 to a support sleeve 26.
  • the support ring sleeve 26 has a longitudinally extending opening 27 which is penetrated by the anti-rotation 5. This rotation 5 secures the position of the roll shell 3 to the central shaft 1.
  • a support sleeve 26 Between the a roller shell 3 associated support rings 4 a support sleeve 26, the inner surface of the roll shell 3 and the outer surface of the support ring sleeve 26, an annular space 6 is provided which forms a coolant channel.
  • the strand guide roller is equipped with internal cooling. The course of the coolant flow is indicated in FIG. 3 by arrows.
  • the coolant supply takes place at an end face of the Strangschreibungsrolle via a rotary inlet 10 and the coolant discharge takes place at the opposite end face of the Strangschreibungsrolle not shown by a further rotary entrances.
  • a central coolant line 12 branching off radial stub lines 13 and an annular groove 14 in the support ring 4 with axially aligned outlet openings 19, the coolant is passed into a further annular groove 28 and from there by further radial stub lines 29 which pass through the support ring sleeve 26 radially into the annulus 6 introduced.
  • the coolant flows, distributed over the entire cross section of the annular space 6, parallel to the longitudinal axis 15 of the Strangschreibungsrolle through the annular space 6 and is directed via radial stubs 30 which pass through the support sleeve 26 radially in an annular groove 31 and in an annular groove 16 of the support ring. 4 collected again and derived by radial stubs 17 in the central coolant line 18. Either the coolant line 18 leads to further stub lines of a further roll mantle or after passing all the roll mantles to the dissipative rotary inlet, through which the coolant leaves the Strangschreibungsrolle again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Continuous Casting (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Surgical Instruments (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Commercial Cooking Devices (AREA)
  • Noodles (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

L'invention concerne un galet de guidage de barre pour supporter et guider des barres métalliques coulées dans une installation de coulée continue, ce galet de guidage étant doté d'un arbre rotatif central (1) et d'au moins une enveloppe (3) en appui sur l'arbre de façon à ne pas tourner. L'invention vise à réaliser un galet de guidage de barre qui correspond mieux aux sollicitations mécaniques et thermiques. A cet effet, l'enveloppe du galet est en appui sur l'arbre au moyen de bagues d'appui (4) ou d'un manchon (26), entre l'arbre (1) et l'enveloppe (3) est formé un espace annulaire (6) limité dans le sens axial par les bagues d'appui (4), cet espace annulaire (6) servant de canal pour l'agent réfrigérant.
PCT/EP2004/003770 2003-04-23 2004-04-08 Galet de guidage de barre WO2004094087A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT04726463T ATE399068T1 (de) 2003-04-23 2004-04-08 Strangfuehrungsrolle
US10/552,212 US7617862B2 (en) 2003-04-23 2004-04-08 Strand-guiding roller
EP04726463A EP1615737B1 (fr) 2003-04-23 2004-04-08 Galet de guidage de barre
PL04726463T PL1615737T3 (pl) 2003-04-23 2004-04-08 Rolka prowadząca pasmo
JP2006505067A JP2006524136A (ja) 2003-04-23 2004-04-08 ストランド・ガイド・ローラー
DE502004007441T DE502004007441D1 (en) 2003-04-23 2004-04-08 Strangfuehrungsrolle
BRPI0409503-0A BRPI0409503B1 (pt) 2003-04-23 2004-04-08 rolo de guia de veio.
UAA200511089A UA79382C2 (en) 2003-04-23 2004-08-04 Strand-guiding roller
NO20055444A NO20055444L (no) 2003-04-23 2005-11-17 Strengforingsvalse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA615/2003 2003-04-23
AT0061503A AT412327B (de) 2003-04-23 2003-04-23 Strangführungsrolle

Publications (1)

Publication Number Publication Date
WO2004094087A1 true WO2004094087A1 (fr) 2004-11-04

Family

ID=32398594

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/003770 WO2004094087A1 (fr) 2003-04-23 2004-04-08 Galet de guidage de barre

Country Status (13)

Country Link
US (1) US7617862B2 (fr)
EP (1) EP1615737B1 (fr)
JP (1) JP2006524136A (fr)
KR (1) KR20060011836A (fr)
CN (1) CN100542713C (fr)
AT (2) AT412327B (fr)
BR (1) BRPI0409503B1 (fr)
DE (1) DE502004007441D1 (fr)
NO (1) NO20055444L (fr)
PL (1) PL1615737T3 (fr)
RU (1) RU2324572C2 (fr)
UA (1) UA79382C2 (fr)
WO (1) WO2004094087A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502696B1 (de) * 2005-10-24 2007-11-15 Voest Alpine Ind Anlagen Strangführungsrolle
WO2009156093A1 (fr) 2008-06-26 2009-12-30 Sms Siemag Ag Rouleau de corset de guidage modulaire
KR101347766B1 (ko) * 2005-10-20 2014-01-10 지멘스 브이에이아이 메탈스 테크놀로지스 게엠베하 스트랜드 안내 롤러

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DE102006040011A1 (de) * 2006-04-21 2007-10-25 Sms Demag Ag Strangführungsrolle
KR100957810B1 (ko) * 2007-12-21 2010-05-13 주식회사 포스코 롤 냉각 장치
ES2382534B1 (es) * 2009-06-18 2013-01-24 Comercial De Utiles Y Moldes, S.A Cojinete estanco
CN101985159A (zh) * 2010-11-23 2011-03-16 中冶南方工程技术有限公司 用于方坯连铸机的导向段装置
KR101264605B1 (ko) 2011-02-21 2013-05-27 주식회사 포스코건설 고온소재 가이드 롤 장치
KR101304668B1 (ko) * 2011-07-15 2013-09-06 주식회사 포스코 가이드 롤러
KR101324296B1 (ko) * 2011-08-18 2013-10-30 주식회사 포스코 가이드 롤러
RU2553139C2 (ru) * 2012-07-04 2015-06-10 Актиеболагет Скф Распределяющий элемент, роликовая линия и устройство для непрерывной разливки
RU2550446C2 (ru) * 2012-07-04 2015-05-10 Актиеболагет Скф Оболочка ролика, роликовая направляющая линия и устройство для непрерывной разливки
EP2687303A1 (fr) 2012-07-20 2014-01-22 SMS Concast AG Agencement de rouleau pour une installation de coulée continue
AT513431B1 (de) 2012-09-28 2015-10-15 Primetals Technologies Austria GmbH Gekühlte, mehrfach gelagerte Strangführungsrolle
CN103433304B (zh) * 2013-08-21 2016-03-02 济钢集团有限公司 一种装配导轮
CN104084433A (zh) * 2014-07-08 2014-10-08 江苏永钢集团有限公司 一种四切分分料导卫装置
ITUB20155789A1 (it) * 2015-11-20 2017-05-20 Danieli Off Mecc Unita? di guida per bramme in un impianto di colata continua
CN109128070A (zh) * 2018-10-24 2019-01-04 东北大学 一种凝固末端重压下曲沟冷却水槽从动辊芯轴
JP7460901B2 (ja) 2020-06-03 2024-04-03 日本製鉄株式会社 連続鋳造における鋳片搬送用スリーブ付きセグメントロール
CN113751678B (zh) * 2021-09-08 2023-06-20 广东华域重工有限公司 一种高强度重钢生产工艺及其加工设备
CN114888250A (zh) * 2022-05-06 2022-08-12 武汉钢铁有限公司 一种多孔式扇形段高效冷却足辊及其使用方法

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101347766B1 (ko) * 2005-10-20 2014-01-10 지멘스 브이에이아이 메탈스 테크놀로지스 게엠베하 스트랜드 안내 롤러
AT502696B1 (de) * 2005-10-24 2007-11-15 Voest Alpine Ind Anlagen Strangführungsrolle
WO2009156093A1 (fr) 2008-06-26 2009-12-30 Sms Siemag Ag Rouleau de corset de guidage modulaire
DE102008029944A1 (de) 2008-06-26 2009-12-31 Sms Siemag Aktiengesellschaft Modulare Strangführungsrolle

Also Published As

Publication number Publication date
NO20055444L (no) 2005-11-17
UA79382C2 (en) 2007-06-11
ATA6152003A (de) 2004-06-15
PL1615737T3 (pl) 2008-12-31
ATE399068T1 (de) 2008-07-15
BRPI0409503B1 (pt) 2013-05-28
KR20060011836A (ko) 2006-02-03
BRPI0409503A (pt) 2006-04-18
CN1777483A (zh) 2006-05-24
AT412327B (de) 2005-01-25
EP1615737A1 (fr) 2006-01-18
RU2005136356A (ru) 2006-04-10
CN100542713C (zh) 2009-09-23
US7617862B2 (en) 2009-11-17
EP1615737B1 (fr) 2008-06-25
RU2324572C2 (ru) 2008-05-20
US20060260781A1 (en) 2006-11-23
DE502004007441D1 (en) 2008-08-07
JP2006524136A (ja) 2006-10-26

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